Conference URLs now use slugs instead of integer id

templates/conference/index.html.twig

@@ -8,7 +8,7 @@
     {% for conference in conferences %}
         <h4>{{ conference }}</h4>
         <p>
-            <a href="{{ path('conference', { id: conference.id }) }}">View</a>
+            <a href="{{ path('conference', { slug: conference.slug }) }}">View</a>
         </p>
     {% endfor %}
 {% endblock %}

templates/conference/show.html.twig

@@ -22,10 +22,10 @@
         {% endfor %}
 
         {% if previous >= 0 %}
-            <a href="{{ path('conference', { id: conference.id, offset: previous }) }}">Previous</a>
+            <a href="{{ path('conference', { slug: conference.slug, offset: previous }) }}">Previous</a>
         {% endif %}
         {% if next < comments|length %}
-            <a href="{{ path('conference', { id: conference.id, offset: next }) }}">Next</a>
+            <a href="{{ path('conference', { slug: conference.slug, offset: next }) }}">Next</a>
         {% endif %}
     {% else %}
         <div>No comments have been posted yet for this conference.</div>